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Application of Derivatives: JEE Mains 2024 1st Feb Shift 1

Hard· Increasing and decreasing functions· +4 / −1

5f(x)+4f\left(\frac1x\right)=x^2-4

and

y=9f(x)\cdot x^2

. If

y

is strictly increasing function, find interval of

x

.

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About this question

Previous-year question from JEE Mains 2024 1st Feb Shift 1.
Tagged hard difficulty.

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